STANDARD CUTTING CONDITIONS

ISOWorkiece materialHardnessCutting speed:Vc (m/min)
pAH725T313VNS9530TH10
High carbon steel / Alloy steel S45C, SCM440, etc. C45, 42CrMoS4, etc.< 200HB > 200HB80 - 180 60 - 160100 - 200 100 - 150150 - 200 100 - 170- -
Stainless steel SUS304, etc. X5CrNi18-9, etc.-50 - 13070 - 130--
Cast irons FC250, FC300, etc. 250, 300, etc.--70 - 150-70 - 90
Non-ferrous metals----100 - 500
Heat-resisting alloys Ti-6AI-4V, Inconel718, etc.----10 - 40
Hard materials50 ~ 60HRC---10 - 30

STANDARD CUTTING CONDITIONS

ISOWorkpiece materialGradeApplicationCutting speed Vc (m/min)Pitch (mm)Threads per inch (TPI)
High carbon steel S45C, etc. C45, etc.AH725Threading80 - 180Internal 2.11 - 5.08 External 1.27 - 4.23Internal 5 - 12 External 6- 20
Alloy steels SCM440, etc. 42CrMoS4, etc.AH725Threading60 - 160Internal 2.11 - 5.08 External 1.27 - 4.23Internal 5 - 12 External 6- 20
Stainless steel SUS304, etc. X5CrNi18-9, etc.AH725Threading50 - 130Internal 2.11 - 5.08 External 1.27 - 4.23Internal 5 - 12 External 6- 20

STANDARD CUTTING CONDITIONS

TC T 18 R / L / TC T 18 F R

ISOWorkpiece materialPriorityGradeCutting speed Vc (m/min)Pitch (mm)Threads per inch (TPI)
Low carbon steels S15C SS400 tFirst choiceSH72560 - 1500.4 - 2.064 - 12
, , ec. C15, St42-1, etc.Fracture resistanceAH72560 - 1500.8 - 3.032 - 8
Carbon steels, Alloy steels S55C SCM440 tFirst choiceSH72560 - 1500.4 - 2.064 - 12
, , ec. C55, 42CrMoS4, etc.Fracture resistanceAH72560 - 1500.8 - 3.032 - 8
Prehardened steelsFirst choiceSH72560 - 1500.4 - 2.064 - 12
NAK80, PX5, etc.Fracture resistanceAH72560 - 1500.8 - 3.032 - 8
Stainless steel SUS304 tFirst choiceSH72550 - 800.4 - 2.064 - 12
, ec. X5CrNi18-9, etc.Fracture resistanceAH72550 - 800.8 - 3.032 - 8
Grey cast irons FC250 FC300 tFirst choiceAH72550 - 1000.8 - 3.032 - 8
, , ec. 250, 300, etc.SharpnessSH72550 - 1000.4 - 2.064 - 12
Ductile cast ironsFirst choiceAH72550 - 1000.8 - 3.032 - 8
400-15, 600-3, etc.SharpnessSH72550 - 1000.4 - 2.064 - 12
Titanium alloysFirst choiceSH72530 - 1000.4 - 2.064 - 12
Ti-6AI-4V, etc.Fracture resistanceAH72530 - 1000.8 - 3.032 - 8
Heat-resisting alloysFirst choiceSH72530 - 1000.4 - 2.064 - 12
Inconel718, etc.Fracture resistanceAH72530 - 1000.8 - 3.032 - 8

Reference pages: TungThread : Inserts → E010, E013 - E031, Toolholders → E032 - E041

TungT-Clamp : Inserts → E012, Toolholders → E045 - E046

TetraMini-Cut: Inserts → E011, Toolholders → E042 - E043